Help Immunize.org serve you! Take our 5-minute user feedback survey by February 11.
Welcome to the new Immunize.org!
Our website may look a lot different, but the trusted, up-to-date information you rely on is still here.
Let’s take a quick tour!
Navigation
We’ve updated the menus so you can find whatever you’re looking for, be it VISs, patient handouts, Ask the Experts, or updates and guidance from official sources.
Filters and Improved Search
Many pages now include robust filter options, keyword search, and list sorting to help find the exact answer or resource you need within our large repository of information.
Mobile-Friendly
Our new website is easy to use on mobile devices and tablets, so immunization information is ready for you no matter where you are.
Epidemiology and Prevention of Vaccine-Preventable Diseases (The Pink Book), Chapter 2: General Recommendations on Immunization:Timing and Spacing of Vaccines
